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Bait Tank / Live Well How-To
http://kayakfishinggear.com/baittankhow-to.aspx

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Homemade Kayak Bait Tank

Contributor
By Mark Grady, eHow Contributing Writer
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Using live bait greatly increases the likelihood of catching fish. With kayaks becoming a popular platform for fishing, it is no wonder that innovative people have come up with ways to keep bait alive on them. It is not too difficult to build a tank that will keep your bait alive and fresh. Such a tank should be used only with sit-on top kayaks that have a tank well behind the seat.
  1. Tank Considerations - Choosing a tank is a matter of fitting it in the kayak, availability and personal choice. Some options are a 5-gallon bucket, plastic storage container or cooler. You'll need a lid on the tank to keep the bait from jumping out and to keep water from splashing on you. The tank needs to sit on the bottom of the tank well to prevent the kayak from becoming unstable from the added weight.
  2. Plumbing - The hardware should be plastic and stainless steel to eliminate corrosion. Look for 1 1/2-inch plastic tubing, PVC fittings, stainless steel screen, stainless steel hose clamps, a small bilge pump and an adjustable flow spray head.

  3. A T fitting must attach the plastic tubing where it enters the tank. The T should have a valve on one arm that can be opened when pumping out the tank and closed for normal operation.
  4. Electrical - The simplest way to turn the pump on and off is to have connectors you plug in and unplug. A waterproof toggle switch available at boating centers will look nicer and be easier to use when underway.

  5. The wires for the pump will have to be cut either way and the connections must be sealed with liquid tape.
    You'll need a 12-volt battery for the pump. This should be a small and lightweight rechargeable battery. Read the pump's information for amp requirements. The battery has to be kept in a waterproof container. A waterproof plastic box attached to the tank or a dry bag will work well.
    Spend a little more on the charger and get one that will shut off when the battery is charged to prevent overcharging, which will shorten battery life.
  6. Putting it Together - Decide where you want the overflow to be. It must be high enough that you keep sufficient water in the tank for the bait. About 3 inches from the top is a good starting point. This will allow plenty of water in the tank yet far enough from the top to prevent the water from sloshing out. Put a stainless steel screen on the overflow inlet to keep the bait from being washed out of the tank.

  7. The spray head can either be above the overflow or below it. If the spray head is above the overflow, the water will get aerated as it enters the tank, but will be noisier.
    One end of the tubing will be attached to the pump and the other end will attach to the T fitting that goes through the bait tank. It needs to be long enough to allow the pump to hang in the water alongside the kayak and be put into the bait tank to pump it out at the end of the day.
http://www.ehow.com/way_5762361_home...bait-tank.html